On Wed, Feb 17, 2010 at 08:18:26AM +0000, Paul Michell wrote: > Has anyone had any experience of photo capture in an LCL app on Windows? > I am working on a field data recording program for a tablet PC with an > embedded > camera. I would like to be able to capture a high res. photograph with this > and so far I have tried VFW, TWAIN, WIA and DirectShow with the following > results: > VFW > This worked well, but the resolution seems to be fixed at WebCam type levels > and access to the frame-buffer is non-trivial. > TWAIN > This works, but it is slow and always throws up the default dialog box and I > can't find a way to switch this off. > > WIA > This works but is unusably slow! From pressing the camera button to > generating > the memory bitmap takes over 10 seconds. > > DirectShow > I have seen some good Delphi samples that produce high res. images with sub- > second response times, but I can't get them to work with FPC. > > Any hints or suggestions would be greatly appreciated.
If open, I would like to see your sources. I have something that we use on fairs for lazarus demonstration purposes, but it is VFW only, and geared towards playstation 2 eyetoy cameras. -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
